-70.96% is the change from 272 to 79
Calculation steps:
[( 79 - 272 ) ÷ 272] x 100 = -70.96%
Formula
Percentage change = [(79 - 272) / 272] x 100
Subtract the new number by the original number
79 - 272 = -193
-193 ÷ 272 = -0.7095588235294118
-0.7095588235294118 x 100 = -70.96%